ET MALWARE Cobalt Strike Beacon Beacon Domain in DNS Lookup (employeenotifierdevice-cha9g0g9g4hebmea .z02 .azurefd .net)
Sourceet/open
Fileemerging-malware.rules
CreatedSeptember 10, 2026
UpdatedSeptember 10, 2026
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Beacon Beacon Domain in DNS Lookup (employeenotifierdevice-cha9g0g9g4hebmea .z02 .azurefd .net)"; dns.query; bsize:55; content:"employeenotifierdevice-cha9g0g9g4hebmea.z02.azurefd.net"; nocase; reference:md5,98e37601f3e18e16a0aa3fe7aca90dff ; classtype:domain-c2; sid:2071994; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2026_09_10, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_09_10, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)
References
| md5 | 98e37601f3e18e16a0aa3fe7aca90dff |
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_and_Server
created at2026_09_10
deploymentPerimeter
malware familyCobalt_Strike
performance impactLow
confidenceHigh
signature severityMajor
updated at2026_09_10
mitre tactic idTA0037
mitre tactic nameCommand_And_Control
mitre technique idT1041
mitre technique nameExfiltration_Over_C2_Channel
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